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| 999 |
_c501 _d501 |
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| 005 | 20211223110623.0 | ||
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a9552306396 | ||
| 082 |
_a546 _bOPE _223 |
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| 100 | _aOPEN University of Sri Lanka | ||
| 100 | _aTantrigoda, Ramani U. | ||
| 245 | 2 |
_aA course of study leading to the degree in bachelor of science level 4 CHU 2123: inorganic chemistry- part 1- main group elements n the periodic table / _c[by] Ramani U.Tantrigoda |
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| 260 |
_aNugegoda _bThe Open University of Sri Lanka _c1997 |
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| 300 | _a93 p. | ||
| 650 | _aInorganic chemistry | ||
| 942 | _cPR | ||